Motorad 425-180 Engine Coolant Thermostat

Engine Coolant Thermostat for Jeep Cooling Systems

The Motorad Standard 425-180 engine coolant thermostat is built for precise temperature control in Jeep cooling systems. It uses OEM-quality materials and OE-supplier manufacturing standards to support consistent coolant flow and stable operating temperature.

Compatible with 2003-2006 Jeep Wrangler and 2003-2005 Jeep Liberty applications calling for a 180 degree thermostat, this replacement thermostat includes a rubber seal and a jiggle pin weep hole for service-friendly installation and air bleeding.

Key Features

• 180 degree Fahrenheit thermostat for temperature regulation
• OEM specifications and manufacturing processes
• Copper case and wax compound for responsive temperature changes
• Rubber gasket/seal included
• Jiggle pin weep hole for improved coolant system bleeding
• Sealing flange outside diameter: 1.81 in
• Flange thickness: 0.05 in
• Motorad Standard 425-180 replacement part

Detailed Description

The Motorad Standard line focuses on direct-fit cooling system service parts built to OE-style dimensions and materials. The 425-180 thermostat is engineered for Jeep Wrangler and Jeep Liberty models that specify a 180F thermostat, helping the engine reach and maintain the intended operating range. The copper case and wax compound are used to react quickly to coolant temperature changes, while the included rubber seal supports a proper housing seal during replacement. This part cross-references Dorman - HELP 42580 for the same application.

Common Issues This Part May Address

• Engine running too cool or taking too long to reach operating temperature
• Temperature fluctuations caused by a worn thermostat
• Coolant flow control problems in the thermostat housing
• Seal leakage at the thermostat mounting surface
• Air trapped in the cooling system after service

Installation Notes and Tips

Verify the thermostat temperature rating and housing style before installation. Replace the thermostat with the included rubber seal, and inspect the sealing surface for corrosion, debris, or old gasket material. The jiggle pin weep hole should be positioned to help purge trapped air during filling. Confirm fitment for 2003-2006 Jeep Wrangler and 2003-2005 Jeep Liberty before service.

Quality Assurance

Motorad manufactures this thermostat with OEM-quality materials and safety standards as an OE supplier, using OEM specifications and processes for cooling system service.